Industry Data Show PS4 Has Outsold Microsoft's Xbox One Every Month Except December

COLOGNE, Germany—Sony Corp. said Tuesday it has sold 10 million PlayStation 4 videogame consoles to consumers, as the Japanese consumer electronics company continues to outpace Microsoft Corp. in the new console sales war.

The PlayStation 4's dominance over Microsoft's rival Xbox One console has been a hot topic in the videogames industry, which is gathering in large numbers in Cologne this week for the annual Gamescom conference....